Home / 18,183.92-27,275.86-5,705.04

Finding the Fourth Proportional to 18,183.92, 27,275.86 and 5,705.04

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Solution

The fourth proportional to 18,183.92, 27,275.86 and 5,705.04 is: 8,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.92 : 27,275.86 = 5,705.04 : x
  2. Step 2: Convert to fraction form
    18,183.92/27,275.86 = 5,705.04/x
  3. Step 3: Cross multiply
    18,183.92x = 27,275.86 × 5,705.04
  4. Step 4: Simplify right side
    18,183.92x = 155,609,843.81
  5. Step 5: Solve for x
    x = 155,609,843.81/18,183.92
  6. Step 6: Final answer
    x = 8,557.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.